Basic Atomic Structure worksheet with exercises on atomic particles, element symbols, and periodic table data.

A worksheet titled "Basic Atomic Structure" featuring three sections: labeling parts of an atom diagram, identifying protons, neutrons, and electrons in elements (Carbon, Neon, Potassium), and completing a table with atomic data using the periodic table.

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1. a) Positive charge
b) No charge (neutral)
c) Negative charge
d) Proton and neutron

2. Carbon (C):
#P: 6
#N: 6
#E: 6

Neon (Ne):
#P: 10
#N: 10
#E: 10

Potassium (K):
#P: 19
#N: 20
#E: 19

3.
| Symbol | Atomic Number | Mass Number | Number of Protons | Number of Electrons | Number of Neutrons |
|--------|---------------|-------------|-------------------|---------------------|--------------------|
| Na | 11 | 23 | 11 | 11 | 12 |
| K | 19 | 39 | 19 | 19 | 20 |
| Ni | 28 | 78 | 28 | 28 | 50 |
| F | 9 | 19 | 9 | 9 | 10 |
| Ca | 20 | 40 | 20 | 20 | 20 |
| Sn | 50 | 119 | 50 | 50 | 69 |
| I | 53 | 127 | 53 | 53 | 74 |

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